1. Cardiovascular Research Institute, Morehouse School of Medicine, Atlanta, Georgia
2. Community Health and Preventive Medicine, Morehouse School of Medicine, Atlanta, Georgia
3. Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi
4. National Center for Primary Care, Morehouse School of Medicine, Atlanta, Georgia
5. Emory Clinical Cardiovascular Research Institute, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia
6. Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, Georgia